Iolite 4mm Microfaceted Round A Grade - 15-16 Inch Viking’s Compass where it gets its name

where it gets its name

The presence of Manganese in the stone produces its color

Distinctive for its purple-and-gray tones

Blue Apatite ranges in color from light teal-blue to bright blue to dark blue-green

It is a form of Chrysoberyl

Iolite 4mm Microfaceted Round A Grade - 15-16 Inch Viking’s Compass where it gets its nameIolite most commonly occurs in shades of blue to gray, violet or indigo. It displays a visual property called pleochroism, which means that it can appear to be different colors as it shifts in the light. According to Norse legend, Viking explorers used thin pieces of Iolite as the worlds first polarizing lens to help them determine the exact location of the sun for navigation.